Suppose that f is an exponential function such that f(x) = 4 • 2^x Which answer shows that this exponential function grows by equal factors over equal intervals?

O f(4) • f(3) = f(7) • f(6)

O f(4) + f(3) = f(7) + f(6)

O f(4) divide f(3) = f(7) divide f(6)

O f(4) – f(3) = f(7) – f(6)